Question

9. The chemical used for cooling in refrigeration is : (রেফ্রিজেরেটরে ব্যৱহৃত শাল
Ans. a) CO, b) NHCI c) NH,OH d) Liquified Ammonia (তরলীকৃত এমনিয়া)​

Answer 1

Answer:

d)Liquefied Ammonia

Explanation:

For its vaporization property, ammonia is an used as a refrigerant. It was used earlier to the use of chlorofluorocarbons (Freons). Anhydrous ammonia is widely used in industrial refrigeration.

Answer 2

Answer:

Answer ;

Liquified Ammonia

hope its help to you☺️